.mobile-hamburger { display: none; }
.mobile-bottom-nav { display: none; }
.mobile-sidebar-overlay { display: none; }
.sidebar-install-btn { display: none; }
button, .btn, a, [onclick], input[type="submit"], input[type="button"],
.mobile-bottom-nav-item, .nav-item, .mobile-hamburger {
  touch-action: manipulation;
}
.modal-overlay, .sidebar, .mobile-sidebar-overlay {
  overscroll-behavior: contain;
}
.modal-body {
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}
.topbar {
  padding-top: calc(14px + env(safe-area-inset-top));
}
@media (max-width: 768px) {
  .topbar {
    padding-top: calc(10px + env(safe-area-inset-top));
  }
}
@media (max-width: 768px) {
  #help-menu-btn {
    display: none !important;
  }
  .shell { position: relative; }
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    height: 100dvh;
    width: 280px;
    max-width: 85vw;
    z-index: 1000;
    transform: translateX(-100%);
    transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 6px 0 20px rgba(0,0,0,0.4);
  }
  .sidebar.mobile-open {
    transform: translateX(0);
  }
  .main {
    width: 100%;
    padding-bottom: 64px;
  }
  .mobile-sidebar-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.28s ease;
  }
  .mobile-sidebar-overlay.visible {
    opacity: 1;
    pointer-events: auto;
  }
  .topbar {
    padding: 10px 14px;
    gap: 8px;
    flex-wrap: wrap;
  }
  .topbar-left {
    flex: 1;
    min-width: 0;
    display: flex !important;
    flex-direction: row !important;
    align-items: center;
    gap: 12px;
  }
  .topbar-crumb { font-size: 10px; }
  #section-title { font-size: 16px; }
  .topbar-actions {
    flex-wrap: wrap;
    gap: 6px;
    justify-content: flex-end;
  }
  .topbar-actions .btn { padding: 7px 10px; font-size: 11px; }
  .month-nav { font-size: 12px; }
  .mobile-hamburger {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    flex-shrink: 0;
    padding: 0;
    order: -1;
  }
  .mobile-hamburger:active {
    background: var(--accent);
    color: #000;
  }
  .mobile-hamburger svg {
    width: 20px;
    height: 20px;
    color: var(--text);
  }
  .sidebar-install-btn {
    align-items: center;
    gap: 10px;
    margin: 12px;
    padding: 12px 14px;
    background: linear-gradient(135deg, var(--accent), #ff8800);
    color: #000;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    box-shadow: 0 2px 12px rgba(240, 165, 0, 0.25);
    user-select: none;
  }
  .sidebar-install-btn:active {
    transform: scale(0.98);
    box-shadow: 0 1px 6px rgba(240, 165, 0, 0.35);
  }
  .sidebar-install-btn svg {
    color: #000;
  }
  .mobile-bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: var(--surface);
    border-top: 1px solid var(--border);
    z-index: 100;
    padding-bottom: env(safe-area-inset-bottom);
    box-shadow: 0 -2px 12px rgba(0,0,0,0.15);
  }
  .mobile-bottom-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    background: transparent;
    border: 0;
    color: var(--text3);
    cursor: pointer;
    padding: 6px 4px;
    font-family: inherit;
    transition: color 0.15s ease;
    min-height: 44px;
  }
  .mobile-bottom-nav-item svg {
    width: 22px;
    height: 22px;
  }
  .mobile-bottom-nav-item span {
    font-size: 10px;
    font-weight: 500;
  }
  .mobile-bottom-nav-item.active {
    color: var(--accent);
  }
  .mobile-bottom-nav-item:active {
    background: var(--surface2);
  }
  .mobile-bottom-nav-item.mobile-fab {
    position: relative;
  }
  .mobile-bottom-nav-item.mobile-fab .mobile-fab-circle {
    position: absolute;
    top: -16px;
    width: 48px;
    height: 48px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(240, 165, 0, 0.4);
  }
  .mobile-bottom-nav-item.mobile-fab .mobile-fab-circle svg {
    color: #000;
    width: 24px;
    height: 24px;
  }
  .mobile-bottom-nav-item.mobile-fab span {
    margin-top: 28px;
    color: var(--text2);
  }
  .content { padding: 12px 14px 80px 14px; }
  .card-title { font-size: 15px; }
  .card { padding: 14px; border-radius: 10px; }
  .stat-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat-card { padding: 14px; }
  .stat-value { font-size: 20px; }
  .stat-label { font-size: 11px; }
  .form-row { grid-template-columns: 1fr; gap: 12px; }
  .form-row.triple { grid-template-columns: 1fr; }
  .field label { font-size: 12px; }
  .field input, .field select, .field textarea {
    font-size: 16px;
    padding: 11px 12px;
    min-height: 44px;
  }
  .field textarea { min-height: 80px; }
  .btn { min-height: 40px; padding: 9px 16px; font-size: 13px; }
  .btn-sm { min-height: 36px; padding: 7px 12px; font-size: 12px; }
  .btn-lg { min-height: 48px; padding: 12px 20px; font-size: 14px; }
  .modal-overlay {
    align-items: flex-start;
    padding: 0;
  }
  .modal-overlay .modal {
    max-width: 100%;
    width: 100%;
    max-height: 100vh;
    height: 100vh;
    max-height: 100dvh;
    height: 100dvh;
    border-radius: 0;
    display: flex;
    flex-direction: column;
  }
  .modal-header {
    position: sticky;
    top: 0;
    background: var(--surface);
    z-index: 1;
    padding: 14px 16px;
  }
  .modal-header h3 { font-size: 16px; }
  .modal-body {
    padding: 16px;
    flex: 1;
    overflow-y: auto;
  }
  .modal-footer {
    position: sticky;
    bottom: 0;
    background: var(--surface);
    padding: 12px 16px;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 8px;
  }
  .modal-footer .btn { flex: 1; min-width: 100px; }
  table.mobile-cards {
    display: block;
    width: 100%;
  }
  table.mobile-cards thead {
    display: none;
  }
  table.mobile-cards tbody {
    display: block;
  }
  table.mobile-cards tr {
    display: block;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px;
    margin-bottom: 10px;
  }
  table.mobile-cards td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
    border: 0;
    gap: 12px;
    font-size: 13px;
  }
  table.mobile-cards td::before {
    content: attr(data-label);
    font-size: 11px;
    color: var(--text3);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    flex-shrink: 0;
  }
  table.mobile-cards td:empty,
  table.mobile-cards td:has(> button:only-child),
  table.mobile-cards td.cell-actions {
    justify-content: flex-end;
  }
  .table-wrapper, .data-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
    padding-bottom: 4px;
  }
  .tab { font-size: 12px; padding: 8px 14px; flex-shrink: 0; }
  #sync-error-banner { padding: 8px 14px; font-size: 12px; }
  #sync-error-banner > div:first-of-type { display: none; }
  .section-header { padding: 12px 0; }
}
@media (max-width: 380px) {
  .topbar-actions .btn { font-size: 10px; padding: 6px 8px; }
  .month-nav { font-size: 11px; }
  .month-nav button { width: 24px; height: 24px; }
  .stat-grid { grid-template-columns: 1fr; }
  .content { padding: 10px 10px 80px 10px; }
}
@media (max-width: 768px) {
  table.mobile-cards tr td:first-child {
    border-bottom: 1px solid var(--border);
    padding-bottom: 10px;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 14px;
  }
  table.mobile-cards tr td:first-child::before {
    display: none;
  }
  table.mobile-cards tr td.cell-actions {
    border-top: 1px solid var(--border);
    padding-top: 10px;
    margin-top: 6px;
    flex-wrap: wrap;
  }
  table.mobile-cards tr td.cell-actions::before {
    display: none;
  }
  table.mobile-cards tr td.cell-actions > div {
    flex-wrap: wrap !important;
    gap: 6px !important;
    justify-content: flex-end;
  }
  table.mobile-cards tr td.cell-actions .inv-icon-btn {
    min-width: 38px;
    min-height: 38px;
    padding: 6px 8px;
    font-size: 13px;
  }
  table.mobile-cards tr td .tag {
    font-size: 11px;
    padding: 3px 8px;
  }
  table.mobile-cards tr td.amt-neutral,
  table.mobile-cards tr td.amt-positive,
  table.mobile-cards tr td.amt-negative {
    font-family: 'DM Mono', monospace;
    font-weight: 600;
  }
  .chart-wrap, [class*="chart-container"], canvas {
    max-width: 100%;
  }
  .chart-scroll-x {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .card.mobile-accordion-card .card-title {
    position: relative;
    padding-right: 32px;
    user-select: none;
  }
  .card.mobile-accordion-card .card-title::after {
    content: '';
    position: absolute;
    right: 8px;
    top: 50%;
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--text3);
    border-bottom: 2px solid var(--text3);
    transform: translateY(-70%) rotate(45deg);
    transition: transform 0.2s ease;
  }
  .card.mobile-accordion-card.mobile-accordion-open .card-title::after {
    transform: translateY(-30%) rotate(-135deg);
  }
  .card.mobile-accordion-card > *:not(.card-title) {
    display: none;
  }
  .card.mobile-accordion-card.mobile-accordion-open > * {
    display: block;
  }
  .section.active > .card:first-child,
  .filter-bar,
  .list-filters {
    position: relative;
  }
  .section .filter-row,
  .section .toolbar-row {
    flex-wrap: wrap;
    gap: 8px;
  }
  .section input[type="search"],
  .section input[placeholder*="earch"] {
    flex: 1;
    min-width: 0;
  }
}
@media (max-width: 768px) {
  .invgen-mobile-toggle {
    display: none;
    z-index: 8;
    background: var(--surface);
    padding: 10px 14px;
    margin: 0 -14px 14px -14px;
    border-bottom: 1px solid var(--border);
    border-top: 1px solid var(--border);
    gap: 8px;
  }
  .invgen-mobile-toggle.visible {
    display: flex;
  }
  .invgen-mobile-toggle button {
    flex: 1;
    background: var(--surface2);
    border: 1px solid var(--border);
    color: var(--text2);
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    font-family: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 40px;
  }
  .invgen-mobile-toggle button.active {
    background: var(--accent);
    color: #0e1014;
    border-color: var(--accent);
    font-weight: 600;
  }
  #sec-inv-generator.mobile-show-preview > div > div:first-of-type:not(.invgen-mobile-toggle) {
    display: none !important;
  }
  #sec-inv-generator:not(.mobile-show-preview) #inv-gen-layout > div:last-child {
    display: none !important;
  }
  #sec-inv-generator #inv-gen-layout {
    grid-template-columns: 1fr !important;
    display: block !important;
  }
  #sec-inv-generator.mobile-show-preview #inv-gen-layout > div:last-child {
    position: static !important;
    max-height: none !important;
    display: block !important;
  }
  .invgen-action-bar,
  #sec-inv-generator > div[style*="position:sticky"]:first-of-type {
    position: static !important;
    top: auto !important;
    padding: 10px 0 !important;
    margin-bottom: 12px !important;
    z-index: auto !important;
    background: var(--bg) !important;
  }
  .invgen-action-bar > div:first-child > div:first-child,
  #sec-inv-generator > div[style*="position:sticky"]:first-of-type > div:first-child > div:first-child {
    font-size: 13px !important;
  }
  .invgen-action-bar > div:first-child > div:last-child,
  #sec-inv-generator > div[style*="position:sticky"]:first-of-type > div:first-child > div:last-child {
    display: none;
  }
  .invgen-action-bar .btn,
  #sec-inv-generator > div[style*="position:sticky"]:first-of-type .btn {
    padding: 7px 10px !important;
    font-size: 11px !important;
  }
  #sec-inv-generator .card:has(.tabs) {
    overflow-x: hidden;
  }
  #sec-inv-generator .tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
    display: flex !important;
    gap: 4px;
    padding-bottom: 4px;
    margin: 0;
    max-width: 100%;
    touch-action: pan-x;
    scrollbar-width: thin;
  }
  #sec-inv-generator .tabs::-webkit-scrollbar {
    height: 3px;
  }
  #sec-inv-generator .tabs::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 2px;
  }
  #sec-inv-generator .tab {
    flex-shrink: 0;
    font-size: 12px;
    padding: 8px 14px;
  }
  #sec-inv-generator {
    overflow-x: hidden;
    max-width: 100vw;
  }
  #sec-inv-generator .card.invgen-collapsible .card-title {
    cursor: pointer;
    user-select: none;
    position: relative;
    padding-right: 30px;
  }
  #sec-inv-generator .card.invgen-collapsible .card-title::after {
    content: '';
    position: absolute;
    right: 8px;
    top: 50%;
    width: 9px;
    height: 9px;
    border-right: 2px solid var(--text3);
    border-bottom: 2px solid var(--text3);
    transform: translateY(-70%) rotate(45deg);
    transition: transform 0.2s ease;
  }
  #sec-inv-generator .card.invgen-collapsible.invgen-open .card-title::after {
    transform: translateY(-30%) rotate(-135deg);
  }
  #sec-inv-generator .card.invgen-collapsible > *:not(.card-title) {
    display: none;
  }
  #sec-inv-generator .card.invgen-collapsible.invgen-open > * {
    display: block;
  }
  #sec-inv-generator .field input,
  #sec-inv-generator .field select,
  #sec-inv-generator .field textarea,
  #sec-inv-generator .inv-inp,
  #sec-inv-generator input[type="text"],
  #sec-inv-generator input[type="number"],
  #sec-inv-generator input[type="date"] {
    font-size: 16px !important;
    padding: 11px 12px !important;
    min-height: 44px !important;
  }
  #invgen-rows {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  #invgen-rows > div {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 8px !important;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px;
  }
  #invgen-rows > div > *:nth-child(1) {
    grid-column: 1 / -1 !important;
  }
  #invgen-rows > div input,
  #invgen-rows > div select {
    font-size: 14px !important;
    padding: 9px 10px !important;
    min-height: 40px !important;
    width: 100% !important;
  }
  #invgen-rows > div button {
    min-height: 36px !important;
    padding: 6px 10px !important;
    font-size: 12px !important;
  }
  #inv-preview-container {
    transform: none !important;
    width: 100% !important;
    margin-bottom: 0 !important;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  #inv-preview-content {
    padding: 24px 20px !important;
    min-width: 580px;
    min-height: 600px !important;
    transform: scale(0.85);
    transform-origin: top left;
    width: 117% !important;
    margin-bottom: -10% !important;
  }
  #sec-inv-generator #inv-gen-layout > div:last-child {
    margin-top: 0 !important;
  }
  #sec-inv-generator #inv-gen-layout > div:last-child > .card > div:first-of-type {
    padding: 12px 14px !important;
  }
  #sec-inv-generator #inv-gen-layout > div:last-child > .card > div:last-of-type {
    padding: 12px 14px !important;
    flex-direction: column !important;
    gap: 8px !important;
  }
  #sec-inv-generator #inv-gen-layout > div:last-child > .card > div:first-of-type button {
    display: none;
  }
  #invgen-logo-preview img,
  #invgen-sign-preview img {
    max-width: 120px;
    height: auto;
  }
  #invgen-bank-list, [id^="invgen-bank-"] {
    width: 100%;
  }
}
@media (max-width: 380px) {
  #invgen-rows > div {
    grid-template-columns: 1fr !important;
  }
  #invgen-rows > div input,
  #invgen-rows > div select {
    font-size: 13px !important;
  }
}
@media (max-width: 768px) {
  #sec-bank-recon > div:first-child,
  #sec-tax-report > div:first-child,
  #sec-drafts > div:first-child,
  #sec-recurring > div:first-child,
  #sec-reminders > div:first-child,
  #sec-tds-compliance > div:first-child {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 12px !important;
  }
  #sec-bank-recon > div:first-child > div:first-child,
  #sec-tax-report > div:first-child > div:first-child,
  #sec-drafts > div:first-child > div:first-child,
  #sec-recurring > div:first-child > div:first-child,
  #sec-reminders > div:first-child > div:first-child {
    text-align: left;
  }
  #sec-bank-recon > div:first-child > button,
  #sec-tax-report > div:first-child > div:last-child,
  #sec-drafts > div:first-child > button,
  #sec-recurring > div:first-child > button,
  #sec-reminders > div:first-child > button {
    width: 100%;
    justify-content: center;
  }
  #sec-tax-report > div:first-child > div:last-child {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }
  #sec-tax-report > div:first-child > div:last-child .btn {
    flex: 1;
    min-width: 140px;
    justify-content: center;
  }
  #brecon-clients > div:first-child {
    flex-direction: column !important;
    align-items: stretch !important;
  }
  #brecon-clients > div:first-child > * {
    width: 100% !important;
    min-width: 0 !important;
  }
  #sec-bank-recon .tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
  }
  #brecon-client-list > div,
  #brecon-overview-content > div {
    max-width: 100%;
    overflow-x: auto;
  }
  #brecon-client-list .recon-row,
  #brecon-client-list > div > div {
    flex-wrap: wrap;
    gap: 8px;
  }
  #brecon-client-list button,
  #brecon-overview-content button {
    min-height: 36px;
  }
  #sec-tax-report > div[style*="border-bottom"] {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
    flex-wrap: nowrap !important;
  }
  #sec-tax-report > div[style*="border-bottom"] > button {
    flex-shrink: 0;
    font-size: 12px !important;
    padding: 8px 12px !important;
  }
  #sec-tax-report .card > div[style*="flex-wrap"] {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 12px !important;
  }
  #sec-tax-report .field {
    min-width: 0 !important;
    width: 100% !important;
  }
  #sec-tax-report input[type="radio"] + label,
  #sec-tax-report label:has(input[type="radio"]) {
    display: block;
    margin-bottom: 8px;
  }
  #sec-tax-report table {
    min-width: 100%;
  }
  #sec-tax-report .table-wrap,
  #sec-tax-report > div > div:has(table) {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  #sec-tax-report [style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
  }
  #sec-tds-compliance .card > div[style*="flex"]:not([style*="column"]) {
    flex-wrap: wrap;
    gap: 8px;
  }
  #sec-tds-compliance table {
    min-width: 100%;
  }
  #sec-tds-compliance [style*="grid-template-columns"] {
    grid-template-columns: 1fr 1fr !important;
    gap: 10px !important;
  }
  #sec-tds-compliance [style*="grid-template-columns:repeat(4"],
  #sec-tds-compliance [style*="grid-template-columns:repeat(3"] {
    grid-template-columns: 1fr 1fr !important;
  }
  #drafts-container > *,
  #recurring-container > *,
  #reminders-list > * {
    max-width: 100%;
  }
  #drafts-container [style*="display:flex"]:not([style*="column"]),
  #recurring-container [style*="display:flex"]:not([style*="column"]),
  #reminders-list [style*="display:flex"]:not([style*="column"]) {
    flex-wrap: wrap !important;
    gap: 8px !important;
  }
  #drafts-container table,
  #recurring-container table,
  #reminders-list table {
    min-width: 100%;
    overflow-x: auto;
    display: block;
  }
  #drafts-container [style*="grid-template-columns"],
  #recurring-container [style*="grid-template-columns"],
  #reminders-list [style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }
  #drafts-container button,
  #recurring-container button,
  #reminders-list button {
    min-height: 36px;
  }
  #drafts-container,
  #recurring-container,
  #reminders-list {
    word-break: break-word;
    overflow-wrap: break-word;
  }
}